Can this macro be converted to a function?

Question

While refactoring code and ridding myself of all those #defines that we\'re now taught to hate, I came across this beauty used to calculate the number of elements in a struc

Answer 1

Simplfying @KTC's, since we have the size of the array in the template argument:

template
int arraySize(const T(&arr)[SIZE])
{
    return SIZE;
}

Disadvantage is you will have a copy of this in your binary for every Typename, Size combination.